In this way, Farr and Froelich were able to calculate not only the delay between an outgoing signal and its arrival back at the receiver, but the tiny time differences between its reception along the elements of the array.

Is there any evidence that ageing in the male is really very much different from women, apart from the time difference that they're doing it about ten years earlier?

But the time difference between the world championships and autumn marathons isn't that big this year.